[GitHub] [camel-k] astefanutti edited a comment on pull request #2771: feat(cmd/run): autogenerated configmap for resource/config local files

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astefanutti edited a comment on pull request #2771:
URL: https://github.com/apache/camel-k/pull/2771#issuecomment-998660790


   > Thanks a lot for the review @astefanutti , it's a long one, I really appreciate your help with this.
   > 
   > > My understanding is that the implementation assumes the "local file" use case is different than the "standard" ConfigMap use case. It's possible you've already tried to explain the difference, though could you please clarify the rational behind that assumption. It seems that the file prefix / reference gets stored in the container trait configuration, and even if it's weakly linked to the local file, and resolved to the generated ConfigMap, that seems to break the "standalone" configuration principle
   > 
   > The idea we discussed was to go in the direction to [remove any arbitrary file content from the integration](https://github.com/apache/camel-k/issues/2320#issuecomment-922718785). With this PR what we do is to automatically help the user convert a local file into a configmap, and then attach to the Integration. In my opinion what we're doing is to remove the support for local file, although we help the user to convert it in the supported storage via `kamel` CLI to simplify his life. If the user is not able to run an Integration via `kamel run`, in fact, the feature cannot be provided.
   
   That is my background too. My question was more, why does the `file` prefix leaks beyond the CLI, and the generated ConfigMap seems to be treated differently than the other "standard" ones?
   
   > > The generated ConfigMap is owned by the Integration, which makes the former gets garbage collected when the former is deleted. However, how is it garbage collected when the Integration is updated with the file resource removed, for example with a new kamel run invocation, without the resource?
   > 
   > Good point, I did not consider this situation. The configmap is updated when there is a file change and `--sync/--dev` enabled, but I did not check what happens when the file is removed at all. I'll run some test and come back to this point.
   > 
   > > What's the rational, from the functional standpoint, to use the container trait to host the configuration resources? It's already responsible for the compute resources, the container image, the service, and the (deprecated) health probes configuration.
   > 
   > The container trait is already in charge to convert the configmaps/secret/... into mounted volumes ([we discussed it shortly as well](https://github.com/apache/camel-k/pull/2635#issuecomment-922720383)), so it felt the most appropriate trait to use. Otherwise we need somehow to move that logic elsewhere or duplicating it, which I don't think is a good idea.
   
   I'm trying to reason first from the end-user standpoint. The CLI hides it, still it's part of the API. I remember we had the discussion in https://github.com/apache/camel-k/pull/2635, and I was wondering whether that was the right moment to find a more "functionally oriented" trait to capture this concern, and disentangle the _container_ trait. 
   


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